Commodity Price Risk Activities - Additional Information (Details)	12 Months Ended
	Dec. 31, 2016 bbl / d MMBTU / d DeliveryObligation bbl
Derivative [Line Items]
Number of open physical obligations | DeliveryObligation	0
Oil Derivative Contracts, 2017
Derivative [Line Items]
Derivative contracts, aggregate volume | bbl	912,600
Derivative contracts, aggregate volume per day | bbl / d	2,500
Oil Derivative Contracts, 2018
Derivative [Line Items]
Derivative contracts, aggregate volume | bbl	730,000
Derivative contracts, aggregate volume per day | bbl / d	2,000
Natural Gas Derivative Contracts, 2017
Derivative [Line Items]
Derivative contracts, aggregate volume per day | MMBTU / d	7,000